Purpose – The study aims to examine the impact of mentor's gender on perceived mentoring functions in the Nigerian work environment.Design/methodology/approach – Data were obtained from 161 employees through a survey of a large government‐owned health institution in South‐western Nigeria.Findings – Hierarchical regression analysis revealed that control variables jointly account for a significant variance in career development functions (R2=0.050, p<0.05) but did not predict psychosocial functions (R2=0.037, P ns). When mentor gender was entered in the second step, there was no significant change in R2 (ΔR2=0.01, P ns) for career development functions. However, R2 increased from 0.037 to 0.181 (p=<0.001) in psychosocial functions to indicate a significant change in R2 (ΔR2=0.144, P<0.001). Proteges perceived more psychosocial functions from female mentors compared to their male counterparts.Research limitations/implications – The findings are based on self‐report measures and results may not generalize to ...